chiliast (noun)

1. In the superhero comic book series, the protagonist discovers that one of the villains is a chiliast, aiming to create a utopian society.

2. The anime series features a group of chiliasts who believe in the arrival of the millennium and strive to bring about a world of peace and prosperity.

3. The novel portrays a protagonist who, as a chiliast, embarks on a quest to fulfill the prophecy of the coming of the millennium.

4. During the religious movements in medieval Europe, there were various chiliasts who anticipated the imminent arrival of the millennium.